Tube for ribbon filter



FIG. 1 is a front view of a first embodiment of a tube for ribbon filter showing our new design;

FIG. 2 is a perspective view thereof in an open configuration;

FIG. 3 is a side view thereof;

FIG. 4 is a side view thereof in a closed configuration;

FIG. 5 is a perspective view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a front view of a second embodiment of a tube for ribbon filter showing our new design;

FIG. 9 is a perspective view thereof in an open configuration;

FIG. 10 is a side view thereof;

FIG. 11 is a side view thereof in a closed configuration;

FIG. 12 is a perspective view thereof;

FIG. 13 is a bottom view thereof; and,

FIG. 14 is a top view thereof. 

CLAIM The ornamental design for tube for ribbon filter, as shown and described. 